August 10th, 2009 at 7:57 am
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Inverter, all …
Inverter, all photovoltaic and wind powered systems require an inverter, it doesn’t matter what kind of voltage it puts out, what matters the most is amperage.
I have done that …
I have done that before, and it can get pretty scary in high winds. You have a nice setup there. 5stars
Looks dangerous…. …
Looks dangerous…. Oh ! There goes my finger!
oh !!! thats …
oh !!! thats great ! i didn’t know that! i’ll have it in mind for future projects… thanks.
Hey buddy an cheap …
Hey buddy an cheap alternator can be found at your local scrap yard.You might even get it free.
What you do is make …
What you do is make the 20 v charge a 12 v battrey then use a power inverter to convert it to 115 v.
Thats the ing …
Thats the ing mad note!!
ok so you got 20V …
ok so you got 20V out of that, now how do you get it to 115V ? making 6 o 10 more turbines and connecting it to a regulator to get the 115 ~ 120 V ???
Not a Fluke meter.
Not a Fluke meter.
the propeller is …
the propeller is spinning from the wind, then it generates electricity
is it a tredmill …
is it a tredmill motor?
I love the wind.
I love the wind.
Nice blades!
Nice blades!
Actually you can …
Actually you can see that it’s on the 200V DC scale, and that the socket for measuring amps has no cable in it. Also most “Multi meters” can only measure up to 10 amps before they blow the fuse
Actually, he was …
Actually, he was measuring amps. When you measure amps with a fluke meter like that, you must have a load or you will have a short circuit, so there had to be a load. It is reasonable for a turbine of that size to produce 500 watts in 20mph wind.
Make your own …
Make your own alternator. There are instructions all over the Internets.
Hi,
I’m building my …
Hi,
I’m building my own wind turbine and need to know more about what type of alternator to use. Baring in mind that I’m a student and poor, so if possible could you recommend a cheap alternator.
Would a solenoid work to generate a voltage?
Thanks for any tips!
Any chance you can …
Any chance you can tell me what you used to build it? Me and my mates are going to build one for a school project and we’de like to have a list of materials. £35 looks really cheap
Chances are he is …
Chances are he is measuring open circuit voltage which means there is no load and essentially no power output. That/s why it is spinning so fast. There is no load. A turbine this size can only produce a few hundred watts in a strong wind.
I would like to see …
I would like to see the amps as well. If he is spinning a fixed magnet alternator it’s likely putting out 8 to 10 amps at 500 RPM. The right alternator will put out 5 amps at only 250 RPM. That thing looks like it was doing a 1000 RPM. So not bad.
Looks like the …
Looks like the meter is set to DC volts. 21.5 was the highest. It would be interesting to see this experiment duplicated measuring amps. Then we would have a watt calculation, which is the important part. If this rig is producing 21.5volts at only 1amp that wouldn’t even power a light bulb.
post a how to
post a how to
are those amps?
are those amps?
alot of power you …
alot of power you can save with this amazing thing, hook it up to a inverter and if it has amps, lol, see what happens.
That looks pretty …
That looks pretty cool! If you’re trying to get an idea of it’s output, maybe you could mount it in the back of a small truck or something on a calm day. You would then know what output was for a given wind speed. Good job!